Yerning tortishish kuchi

Yerning tortishish kuchi, $g$ bilan belgilangan, tortishish (Yer ichidagi massa taqsimoti) va markazdan qochma kuch (Yerning aylanishidan) birgalikda taʼsiri tufayli jismlarga beriladigan aniq tezlanishdir ^[1]^[2]. Bu vektor miqdori boʻlib, uning yoʻnalishi plumb bobga toʻgʻri keladi va kuch yoki kattalik norma bilan beriladi. $g=\|{\mathit {\mathbf {g} }}\|$ .

SI birliklarida bu tezlanish sekundiga kvadrat metrda (belgilarda, m / s ² yoki m · s ⁻²) yoki ekvivalentda kilogramm boshiga nyutonlarda (N / kg yoki N · kg ⁻¹) ifodalanadi. Yer yuzasiga yaqin joyda tortishish tezlashuvi 2 ta muhim raqamga aniqlik bilan 9.8 m/s² (32 ft/s²) ni tashkil qiladi. . Bu shuni anglatadiki, havo qarshiligi taʼsiriga eʼtibor bermasdan, erkin tushgan jismning tezligi 9.8 metres per second (32 ft/s) har soniyada. Bu miqdor baʼzan norasmiy ravishda kichik $g$ deb ataladi (aksincha, tortishish doimiysi $G$ katta $G$ deb ataladi).

↑ Boynton, Richard (2001). "Precise Measurement of Mass". Sawe Paper No. 3147. Arlington, Texas: S.A.W.E., Inc.. Archived from the original on 27 February 2007. https://web.archive.org/web/20070227132140/http://www.space-electronics.com/Literature/Precise_Measurement_of_Mass.PDF. Qaraldi: 22 December 2023.
↑ Hofmann-Wellenhof, B.. Physical Geodesy, 2nd, Springer, 2006. ISBN 978-3-211-33544-4. § 2.1: „The total force acting on a body at rest on the earth’s surface is the resultant of gravitational force and the centrifugal force of the earth’s rotation and is called gravity.“

[Boynton-1] Boynton, Richard (2001). "Precise Measurement of Mass". Sawe Paper No. 3147. Arlington, Texas: S.A.W.E., Inc.. Archived from the original on 27 February 2007. https://web.archive.org/web/20070227132140/http://www.space-electronics.com/Literature/Precise_Measurement_of_Mass.PDF. Qaraldi: 22 December 2023.

[2] Hofmann-Wellenhof, B.. Physical Geodesy, 2nd, Springer, 2006. ISBN 978-3-211-33544-4. § 2.1: „The total force acting on a body at rest on the earth’s surface is the resultant of gravitational force and the centrifugal force of the earth’s rotation and is called gravity.“

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